package jok.demo;

import java.util.Scanner;

public class Demo {

	public static void main(String[] args) {

		Person person = new Person();
		person.setName("张三");
		person.setAge(18);
		person.setGender(1);

		System.out.println(person.getName() + "    " + person.getGender());

		System.out.println(Math.PI);

		Scanner scanner = new Scanner(System.in);
		int i = scanner.nextInt();
		System.out.println("输入为：" + i);
	}
}
